Sputum suction device
A suction device and driving device technology, applied in suction devices, hypodermic injection devices, extraction and pumping systems, etc., can solve the problems of clogging the suction head, affecting the operation of sputum suction, and limited functions, and achieve reasonable structure and powerful functions. , the effect of simple operation
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[0023] Example: as attached figure 1 to attach Figure 5 As shown, a sputum suction device includes a suction device, the end of the suction device is connected with a suction head 3, a water pushing device is installed on the side wall of the suction device, the end of the water pushing device communicates with the suction head 3, and the suction device is connected with the suction head 3. A driving device that drives the water pushing device to move by driving the suction device is installed between the water pushing devices.
[0024] The suction device includes a first pipe body 1, the end of the first pipe body 1 is connected to the suction head 3, and a first piston 16 reciprocating along the first pipe body 1 is installed in the first pipe body 1, and the first piston 16 A first pull rod 11 is installed on the side wall.
[0025] The suction device includes a second pipe body 2, the end of the second pipe body 2 is connected with the suction head 3, and a second pisto...
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